Context Evidence is lacking that a dietary pattern high in vegetables, fruit, and fiber and low in total fat can influence breast cancer recurrence or survival.

背景高蔬菜、水果、高纤维、低脂肪饮食对乳腺癌治疗的复发及生存率的影响不明确、缺少实验数据。

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Because of lacking necessary examining condition in RTK measurement, some error operation or improper technological treatment would bring badly serious influence on measurement achievement.

但是，RTK测量缺少必要的检核条件，作业时如果操作失误或某些技术问题处理不当，都会给测量成果带来严重影响。

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Model parameters influence the performance of SVM evidently, but structuring method for parameters selecting is lacking and parameters are generally determined by crossing test.

支持向量机的参数选择对模型的性能影响很大，目前支持向量机的参数选择尚缺乏公认有效的结构化方法，参数选取依靠交叉验证得到。

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But lacking any means to overtly influence public policy, Chinese citizens have had little choice but to take it on the chin.

FORBES: Germany And China Have The Gold And Will Make The Rules

Yet the experience of Britain's few existing mayors suggests there are ways of grabbing influence even when formal powers are lacking.

ECONOMIST: Reshaping local government